https://support.plesk.com/hc/en-us/articles/16264720065559-Plesk-Premium-antivirus-sends-a-lot-of-notifications-Your-virus-bases-are-obsolete Symptoms Plesk Premium antivirus (Dr.Web) sends too frequent email notifications such as: Your virus bases are obsolete. Dear Administrator, your virus bases are not up to date. Please run updating script manually or use cron for this purpose The extension was recently updated: plesk bin action-log --show -since 2023-07-24 -until 2023-07-31 | grep premium-av 127.0.0.1 admin [2023-07-25 03:19:55] 'Upgrade extension' ('Extension Id': 'premium-av' => 'premium-av', 'Extension Name': 'Premium Anti-Virus for Servers' => 'Premium Antivirus for Servers', 'Extension Release': '15' => '1', 'Extension Version': '1.0.1' => '1.0.2') The following errors can be found in /var/log/messages log : Jul 25 09:50:22 hostname drwebd: Interface binding error (/var/drweb/run/.daemon - Address already in use)! Jul 25 09:50:22 hostname drwebd: Interface binding error (127.0.0.1:3000 - Address already in use)! The drwebd.service has entered restart loop: systemctl status drwebd.service | grep "Active:" Active: activating (auto-restart) (Result: exit-code) since Thu 2023-07-25 11:15:05 UTC; 2s ago Cause This is a one time problem caused by the Plesk bug ID PPPM-14075: "After update to extension version to 1.0.2, drwebd.service enters a restart loop and sends a lot of notifications". Fixed in: Premium Antivirus for Servers version 1.0.2-2 26 July 2023 Resolution Please consider updating your server: Update the extension Premium Antivirus for Servers If an extension update is not possible for some reason, as a workaround: Workaround Connect to the server via SSH Stop the drwebd service systemctl stop drwebd Terminate all drwebd running processes: killall -TERM drwebd.real Start the drwebd service again: systemctl start drwebd Update antivirus bases: /opt/drweb/update.pl